Description

23-Oxospirostan-3-Yl Acetate is a high-purity steroidal intermediate of significant importance in advanced organic synthesis. This compound matters as a critical building block for the research and development of novel pharmaceutical agents, particularly in the steroid and hormone analog fields. It is primarily needed by R&D laboratories, fine chemical manufacturers, and pharmaceutical companies engaged in the synthesis of specialized bioactive molecules.

Application

• Pharmaceutical Intermediate: Key starting material or advanced intermediate in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for investigating new synthetic pathways and developing novel therapeutic compounds.
• Fine Chemical Synthesis: Serves as a crucial precursor for manufacturing custom steroidal derivatives and analogs with specific biological activities.
• Reference Standard: Can be utilized as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.

Basic Information

Product Name	23-Oxospirostan-3-Yl Acetate
CAS No.	35319-92-7
Molecular Formula	C29H44O5
Molecular Weight	472.66 g/mol
Synonyms	23-Oxo-3β-acetoxyspirostan; (25R)-Spirostan-3β-ol, 23-oxo-, 3-acetate; 3β-Acetoxy-23-oxospirostan; 23-Ketospirostan-3β-yl acetate; 23-Oxospirostan-3β-yl acetate; 3β-Acetoxy-23-oxo-5α-spirostan; Tigogenone acetate (related derivative); Steroidal spirostan acetate derivative
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for high-purity intermediates. Each batch is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity and purity. Certificates of Analysis (COA) detailing all relevant specifications are available upon request. We adhere to strict in-process controls to guarantee batch-to-batch consistency and reliability for your synthetic processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.